Patents by Inventor Seeta Ramanjaneyulu Gorantla

Seeta Ramanjaneyulu Gorantla has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Solid forms of tyrosine kinase inhibitors, process for the preparation and their pharmaceutical composition thereof
    Patent number: 9895377
    Abstract: The present invention generally relates to solid forms of tyrosine kinase inhibitors, in particular combinations of tyrosine kinase inhibitors with anti-oxidative acids, processes for its preparation and a pharmaceutical compositions containing the same.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: February 20, 2018
    Assignee: LAURUS LABS LIMITED
    Inventors: Seeta Ramanjaneyulu Gorantla, Ashwini Nangia, Krishna Sumanth Peraka, Udaya Bhaskara Rao Khandavilli
  • Process for the preparation of Ivacaftor and its intermediates
    Patent number: 9573902
    Abstract: The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 21, 2017
    Assignee: LAURUS LABS PRIVATE LTD.
    Inventors: Suresh Thatipally, Venkata Lakshmi Narasimha Rao Dammalapati, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • Salts of sitagliptin, process from the preparation and pharmaceutical composition therefore
    Patent number: 9388113
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: July 12, 2016
    Assignee: Laurus Labs Private Limited
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • Process for the preparation of atazanavir bisulfate
    Patent number: 9382207
    Abstract: The present invention relates to an improved process for the preparation of Atazanavir bisulfate Form A. The present invention also relates to a pharmaceutical composition using the Atazanavir bisulfate Form A of the invention.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: July 5, 2016
    Assignee: Laurus Labs Private Limited
    Inventors: Srinivas Simhadri, Yaseen Mohammad, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla
  • Salts of Sitagliptin, Process from the Preparation and Pharmaceutical Composition Therefore
    Publication number: 20160122274
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 1, 2015
    Publication date: May 5, 2016
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF IVACAFTOR AND ITS INTERMEDIATES
    Publication number: 20160016909
    Abstract: The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.
    Type: Application
    Filed: February 14, 2014
    Publication date: January 21, 2016
    Inventors: Suresh THATIPALLY, Venkata Lakshmi Narasimha Rao DAMMALAPATI, Seeta Ramanjaneyulu GORANTLA, Satyanarayana CHAVA
  • Process for the preparation of sunitinib and its acid addition salts thereof
    Patent number: 9206163
    Abstract: The present invention relates to an improved process for the preparation of Sunitinb. The process involves the activation of 5-((Z)-(5-fluoro-2-oxoindolin-3-ylidene) methyl)-2,4-dimethyl-1 H-pyrrole-3carboxylic acid to corresponding suitable carboxylic acid activating group. The present invention also relates to novel acid addition salts of Sunitinb and preparation thereof.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: December 8, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Sanjay Kumar Dehury, Venkata Lakshmi Narasimha Dammalapati, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla
  • Salts of sitagliptin, process for the preparation and pharmaceutical composition therefore
    Patent number: 9181256
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 10, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • Process for preparing eptifibatide
    Patent number: 9156885
    Abstract: The present invention provides processes for preparation of eptifibatide that involve coupling of amino acids in a (2+5), (4+3) and (3+4) sequence method. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: October 13, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Subha Nair Velayudhan, Ravindra Babu Bollu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Venkata Siva RamaKrishna Reddy Kallam, Bala Muralikrishna Madivada
  • Efficient process to induce enantioselectivity in procarbonyl compounds
    Patent number: 9073817
    Abstract: The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: July 7, 2015
    Assignee: Laurus Labs Private Limited
    Inventors: Ravindra Babu Bollu, Narasimha Rao Ketavarapu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF ATAZANAVIR BISULFATE
    Publication number: 20150183742
    Abstract: The present invention relates to an improved process for the preparation of Atazanavir bisulfate Form A. The present invention also relates to a pharmaceutical composition using the Atazanavir bisulfate Form A of the invention.
    Type: Application
    Filed: August 22, 2013
    Publication date: July 2, 2015
    Inventors: Srinivas Simhadri, Yaseen Mohammad, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla
  • Process for the preparation of tenofovir
    Patent number: 9056882
    Abstract: The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: June 16, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata Sunil Kumar Indukuri, Sree Rambabu Joga, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • PROCESS FOR THE PERPARATION OF SUNITINIB AND ITS ACID ADDITION SALTS THEREOF
    Publication number: 20150025252
    Abstract: The present invention relates to an improved process for the preparation of Sunitinb. The process involves the activation of 5-((Z)-(5-fluoro-2-oxoindolin-3-ylidene) methyl)-2,4-dimethyl-1H-pyrrole-3carboxylic acid to corresponding suitable carboxylic acid activating group. The present invention also relates to novel acid addition salts of Sunitinb and preparation thereof.
    Type: Application
    Filed: March 22, 2013
    Publication date: January 22, 2015
    Inventors: Sanjay Kumar Dehury, Venkata Lakshmi Narasimha Dammalapati, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla
  • PROCESS FOR THE PREPARATION OF TENOFOVIR
    Publication number: 20140303368
    Abstract: The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.
    Type: Application
    Filed: November 15, 2012
    Publication date: October 9, 2014
    Applicant: Laurus Labs Private Limited
    Inventors: Venkata Sunil Kumar Indukuri, Sree Rambabu Joga, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • Process for the preparation of Tenofovir
    Patent number: 8791259
    Abstract: The present invention provides a process for the preparation of tenofovir. The present invention also provides a process for the preparation of tenofovir disoproxil or a salt thereof and its pharmaceutical composition using the tenofovir of the present invention.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: July 29, 2014
    Assignee: Laurus Labs Private Limited
    Inventors: Satyanarayana Chava, Seeta Ramanjaneyulu Gorantla, Venkata Sunil Kumar Indukuri, Sree Rambabu Joga
  • NOVEL SALTS OF SITAGLIPTIN, PROCESS FOR THE PREPARATION AND PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20140073791
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 12, 2012
    Publication date: March 13, 2014
    Applicant: LAURUS LABS PRIVATE LIMITED
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • SOLID FORMS OF TYROSINE KINASE INHIBITORS, PROCESS FOR THE PREPARATION AND THEIR PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20140031352
    Abstract: The present invention generally relates to solid forms of tyrosine kinase inhibitors, in particular combinations of tyrosine kinase inhibitors with anti-oxidative acids, processes for its preparation and a pharmaceutical compositions containing the same.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 30, 2014
    Applicant: Laurus Labs Private Limited
    Inventors: Seeta Ramanjaneyulu GORANTLA, Ashwini Nangia, Krishna Sumanth Peraka, Udaya Bhaskara Rao
  • Carvedilol phosphate sesquihydrate
    Patent number: 8344159
    Abstract: The present invention relates a novel crystalline 1-(Carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol phosphate sesquihydrate (Carvedilol dihydrogenphosphate sesquihydrate), methods of preparing the sesquihydrate by adding phosphoric acid to a suspension of Carvedilol in water, water miscible solvents or a mixture of water and water miscible organic solvent followed by isolating the product directly or by adding solvent.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: January 1, 2013
    Assignee: Mylan Laboratories Limited
    Inventors: Seeta Ramanjaneyulu Gorantla, Mohan Bandari, Nageshwara Rao Karusala, Sankara Sastry Tummalapalli Uma
  • EFFICIENT PROCESS TO INDUCE ENANTIOSELECTIVITY IN PROCARBONYL COMPOUNDS
    Publication number: 20120264933
    Abstract: The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.
    Type: Application
    Filed: June 22, 2012
    Publication date: October 18, 2012
    Applicant: Laurus Labs Private Limited
    Inventors: Ravindra Babu BOLLU, Narasimha Rao Ketavarapu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • One pot process for the preparation of candesartan
    Patent number: 8143435
    Abstract: Present invention is to provide one pot synthesis of candesartan without isolating the ester intermediate.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: March 27, 2012
    Assignee: Mylan Laboratories Ltd.
    Inventors: Dutt Tyagi Om, Nageswara Rao Karusala, Uma Sankara Sastry Tummalapalli, Mohan Bandari, Seeta Ramanjaneyulu Gorantla